diff options
Diffstat (limited to 'core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericInterfaceDevices.java')
-rw-r--r-- | core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericInterfaceDevices.java | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericInterfaceDevices.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericInterfaceDevices.java new file mode 100644 index 00000000..6cf12ce2 --- /dev/null +++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationGenericInterfaceDevices.java @@ -0,0 +1,101 @@ +package org.openslx.runvirt.plugin.qemu.configuration; + +import java.util.ArrayList; + +import org.openslx.libvirt.domain.Domain; +import org.openslx.libvirt.domain.device.Interface; +import org.openslx.libvirt.domain.device.InterfaceBridge; +import org.openslx.libvirt.domain.device.Interface.Model; +import org.openslx.libvirt.domain.device.Interface.Type; +import org.openslx.runvirt.plugin.qemu.cmdln.CommandLineArgs; +import org.openslx.virtualization.configuration.VirtualizationConfigurationQemu; +import org.openslx.virtualization.configuration.VirtualizationConfigurationQemuUtils; +import org.openslx.virtualization.configuration.transformation.TransformationException; +import org.openslx.virtualization.configuration.transformation.TransformationGeneric; + +/** + * Generic network interface transformation for Libvirt/QEMU virtualization configurations. + * + * @author Manuel Bentele + * @version 1.0 + */ +public class TransformationGenericInterfaceDevices extends TransformationGeneric<Domain, CommandLineArgs> +{ + /** + * Name of the configuration transformation. + */ + private static final String NAME = "Network interface devices"; + + /** + * Creates a new network interface transformation for Libvirt/QEMU virtualization configurations. + */ + public TransformationGenericInterfaceDevices() + { + super( TransformationGenericInterfaceDevices.NAME ); + } + + /** + * Validates a virtualization configuration and input arguments for this transformation. + * + * @param config virtualization configuration for the validation. + * @param args input arguments for the validation. + * @throws TransformationException validation has failed. + */ + private void validateInputs( Domain config, CommandLineArgs args ) throws TransformationException + { + if ( config == null || args == null ) { + throw new TransformationException( "Virtualization configuration or input arguments are missing!" ); + } + } + + /** + * Transforms a network interface in a virtualization configuration selected by its + * {@code index}. + * + * @param config virtualization configuration for the transformation. + * @param macAddress MAC address for the network interface. + * @param index number of the network interface in the virtualization configuration that is + * selected. + * @throws TransformationException transformation has failed. + */ + private void transformInterfaceDevice( Domain config, String macAddress, int index ) throws TransformationException + { + final ArrayList<Interface> devices = config.getInterfaceDevices(); + final Interface device = VirtualizationConfigurationQemuUtils.getArrayIndex( devices, index ); + + if ( device == null ) { + if ( macAddress != null && !macAddress.isEmpty() ) { + // create network interface if it does not exists + final InterfaceBridge newDevice = config.addInterfaceBridgeDevice(); + newDevice.setType( Type.BRIDGE ); + newDevice.setModel( Model.VIRTIO ); + newDevice.setMacAddress( macAddress ); + newDevice.setSource( VirtualizationConfigurationQemu.NETWORK_BRIDGE_NAT_DEFAULT ); + } + } else { + if ( macAddress == null || macAddress.isEmpty() ) { + // remove network interface device if MAC address is not set + device.remove(); + } else { + // set MAC address of network interface device if network interface device is available + device.setMacAddress( macAddress ); + } + } + } + + @Override + public void transform( Domain config, CommandLineArgs args ) throws TransformationException + { + // validate configuration and input arguments + this.validateInputs( config, args ); + + // alter network interface + this.transformInterfaceDevice( config, args.getVmMacAddress0(), 0 ); + + // remove all additional disk storage devices + final ArrayList<Interface> devices = config.getInterfaceDevices(); + for ( int i = 1; i < devices.size(); i++ ) { + devices.get( i ).remove(); + } + } +} |